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Patent Searching and Data


Title:
OPTICAL LAMINATE AND PRODUCTION METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2021/014801
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an optical laminate that has a colored layer and that suppresses contamination by air bubbles and unevenness of a viewing-side surface. Provided is an optical laminate that comprises, in order from a viewing side to a display side, a front surface plate, a bonding layer, and a back surface plate. The optical laminate also comprises: a colored layer that is provided at a portion of a display-side surface of the front surface plate; and a shielding layer that is provided at a portion of a display-side surface of the back surface plate. The colored layer and the shielding layer overlap in at least a partial region of a surface direction that is orthogonal to the layering direction.

Inventors:
LIM JONG GWAN (KR)
PARK ILWOO (KR)
Application Number:
PCT/JP2020/022502
Publication Date:
January 28, 2021
Filing Date:
June 08, 2020
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
G02B5/00; B32B7/023; G02F1/1333; G02F1/1335; G02F1/13363; G09F9/00; G09F9/30
Domestic Patent References:
WO2017073216A12017-05-04
WO2016051971A12016-04-07
Foreign References:
JP2008083263A2008-04-10
JP2013086466A2013-05-13
JP2016080830A2016-05-16
JP2014115306A2014-06-26
JP2011203733A2011-10-13
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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